Speaker



FIG. 1 is a front, right perspective view of the speaker;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front, elevation view thereof;

FIG. 5 is a right elevation view thereof, the left side, elevation view being a mirror image thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines showing an exemplar stand, feet, driver openings, control openings, grille mounting hole, vents, and cable opening are for illustrative purpose only and form no part of the claimed design. 

We claim the ornamental design for a speaker, as shown and described. 